Aerial perspective of an intricately detailed colossal imperial fortress, set in a dark fantasy realm, featuring CGI elements, sharp depth focus, ethereal volumetric lighting, photorealism, and hyperrealism, with an emphasis on complexity and maximalism, showcasing an intricately designed architectural marvel with imposing towers and ornate spires under a moody sky, emanating a mystical and enigmatic ambiance, maintaining a 1:2 aspect ratio.